Global Home
Trade News  |  June 14, 2022

BASF’s Luximo® herbicide active substance approved in Great Britain

BASF has received approval in Great Britain for its new active substance, Luximo®, and the product containing this active, Luxinum® Plus, providing a new mode of action against grassweeds and a vital tool for controlling black-grass and Italian ryegrass, Britain’s most challenging arable weeds.
The news achieves two important milestones, explains Rob Gladwin, BASF’s Head of Technical Management for Agricultural Products UK/IRE.
“Firstly, it is 21 years since the current market standard, flufenacet, was registered for use in the UK market as Crystal in 2001; and secondly, Luximo is the first wholly CRD-managed active substance approval gained by any manufacturer since crop protection regulation was repatriated following Brexit.”

Luximo® is the BASF brand name for cinmethylin, a soil residual active substance for grass and broad-leaved weed control in winter wheat, for application at pre and early post-emergence timings.

“We know how important Luximo will be for growers given the march of resistant black-grass, both geographically and biologically,” Rob adds. “It’s two years since the Institute of Zoology valued England’s annual economic loss from resistant black-grass at £0.4 billion in lost gross profit, and certainly the situation has worsened since this calculation.”

The introduction of this mode of action is crucial, Rob adds, because it works differently to existing chemistry and therefore can work against resistant black-grass and Italian ryegrass biotypes.

For 10 years, Stuart Kevis, BASF’s Herbicide Business Development Manager, has worked on the development of Luximo® and has assessed thousands of greenhouse and field trials involving the active substance. He sees this herbicide, not just as an alternative to flufenacet, but rather a replacement for it.

“When comparing pre-emergence applications of solo flufenacet and solo Luximo, 85% of 103 farmer-led and BASF black-grass trials conducted over four years, found that Luximo was more effective than flufenacet, with a much more consistent range of performance,” Stuart says. “The mean control from solo Luximo in those trials was 78% compared with 58% from flufenacet.”

While in greenhouse sensitivity tests, submitted as part of the product’s regulatory approval process, samples from 196 black-grass populations, including 40% of which were resistant to Atlantis (mesosulfuron + iodosulfuron), showed no cross-resistance to Luximo®.

“What stands out to us is the consistency of the results, Luximo reliably outperforms flufenacet in the control of black-grass and more than halves seed return compared with flufenacet,” he says.

For Italian ryegrass, he adds that Luximo also shows very good activity. “There is a similar uplift in performance over flufenacet, as we see against black-grass, so solo Luximo is at least 20% better. Early indications are that Luximo performs well against difficult ryegrass populations, including those populations that might be resistant to flufenacet.

“It’s important to mention that whilst these results were achieved when using Luximo as a solo applied active, for trial purposes, the use of complementary partner products is vital for retaining the field performance of Luximo for the long term.”

He adds that product stewardship must be kept front of mind by growers and agronomists. “Now that we have this all-important herbicide active substance, we must do all that we can to protect it from diminishing field performance, which will mean that growers will need to maintain a firm focus on good cultural control, careful choice of tank-mix partners and applying the herbicide at the right time, in the best conditions and at the correct rates.”

Other attributes of Luximo® will be welcomed, Stuart suggests, “Dry autumn soils have long been a challenge for good performance from pre-emergence actives, so what’s really heartening about Luximo is that it needs less moisture than the current market standards, which, in essence, will give growers more available spray days.”

Consistent with BASF’s drive to help farmers enhance their business sustainability, Stuart adds that “over 50% of the raw materials needed to develop Luximo are derived from natural and sustainable sources, including pine tree resin and paper manufacturing by-products.”

Luximo® will be available this autumn as Luxinum® Plus, in combination with partner products. Further Luximo® containing products that farmers will be able to buy are currently under evaluation at CRD and will also contain partner active substances such as pendimethalin.

For more information, please visit



About BASF’s Agricultural Solutions division          
Farming is fundamental to provide enough healthy and affordable food for a rapidly growing population while reducing environmental impacts. Working with partners and agricultural experts and by integrating sustainability criteria into all business decisions, we help farmers to create a positive impact on sustainable agriculture. That’s why we invest in a strong R&D pipeline, connecting innovative thinking with practical action in the field. Our portfolio comprises seeds and specifically selected plant traits, chemical and biological crop protection, solutions for soil management, plant health, pest control and digital farming. With expert teams in the lab, field, office and in production, we strive to find the right balance for success – for farmers, agriculture and future generations. In 2021, our division generated sales of €8.2 billion. For more information, please visit or any of our social media channels.


About BASF

At BASF, we create chemistry for a sustainable future. We combine economic success with environmental protection and social responsibility. Around 111,000 employees in the BASF Group contribute to the success of our customers in nearly all sectors and almost every country in the world. Our portfolio comprises six segments: Chemicals, Materials, Industrial Solutions, Surface Technologies, Nutrition & Care and Agricultural Solutions. BASF generated sales of €78.6 billion in 2021. BASF shares are traded on the stock exchange in Frankfurt (BAS) and as American Depositary Receipts (BASFY) in the U.S. Further information at



Use plant protection products safely. Always read the label and product information before use. For further product information including warning phrases and symbols refer to

Crystal® contains flufenacet and pendimethalin. Luximo® contains cinmethylin. Crystal® and Luximo® are registered trademarks of BASF. All other brand names used on this publication are Trademarks of other manufacturers in which proprietary rights may exist. © BASF 2022. All rights reserved.



Michelle Serr
External Communications Agricultural Solutions
Luximo - A New Dawn For Weed Control
Last Update June 14, 2022